[1] Univ Hong Kong, State Key Lab Emerging Infect Dis, Hong Kong, Hong Kong, Peoples R China
[2] Univ Hong Kong, Dept Microbiol, Hong Kong, Hong Kong, Peoples R China
[3] Univ Hong Kong, Res Ctr Infect & Immunol, Hong Kong, Hong Kong, Peoples R China
[4] Univ Hong Kong, Carol Yu Ctr Infect, Hong Kong, Hong Kong, Peoples R China
[5] Hong Kong Sanat & Hosp, Dept Pathol, Hong Kong, Hong Kong, Peoples R China